From: t.figa@samsung.com (Tomasz Figa)
To: linux-arm-kernel@lists.infradead.org
Subject: exynos4: cpu hotplug + cpuidle/AFTR broken
Date: Tue, 01 Apr 2014 14:29:28 +0200 [thread overview]
Message-ID: <533AB128.7050208@samsung.com> (raw)
In-Reply-To: <533AAE34.20601@linaro.org>
On 01.04.2014 14:16, Daniel Lezcano wrote:
> On 04/01/2014 01:22 PM, Tomasz Figa wrote:
>> Hi Daniel,
>>
>> On 01.04.2014 12:43, Daniel Lezcano wrote:
>>>
>>> Hi all,
>>>
>>> I tried the v3.14 kernel and unplugged the cpu1. That leads to a kernel
>>> hang without any trace.
>>>
>>> If I disable the cpuidle AFTR state through sysfs before unplugging
>>> cpu1, it works well.
>>>
>>> I reproduced the issue on v3.14, v3.13, v3.12, v3.11
>>>
>>> v3.10 works fine.
>>
>> Could you try to reproduce the same issue on linux-next? Some of PM
>> issues on Exynos should be patches there.
>
> Tested on linux-next. Works fine.
Great, thanks.
>
> Do you have an idea of the patch which have fixed the issue ? In order
> to backport it the kernels mentioned above.
Most likely it's this one:
61557b8bac ARM: EXYNOS: Do not resume l2x0 if not enabled before suspend
Best regards,
Tomasz
next prev parent reply other threads:[~2014-04-01 12:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-01 10:43 exynos4: cpu hotplug + cpuidle/AFTR broken Daniel Lezcano
2014-04-01 11:04 ` Krzysztof Kozlowski
2014-04-01 11:51 ` Daniel Lezcano
2014-04-01 11:22 ` Tomasz Figa
2014-04-01 12:16 ` Daniel Lezcano
2014-04-01 12:29 ` Tomasz Figa [this message]
2014-04-01 12:49 ` Daniel Lezcano
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=533AB128.7050208@samsung.com \
--to=t.figa@samsung.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).